package cn.lijunkui.mail;

import java.io.File;
import java.util.List;

import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;

@Service
public class MailService {
	private final Logger logger = LoggerFactory.getLogger(this.getClass());
	@Autowired
	private JavaMailSender sender;
	@Value("${spring.mail.username}")
	private String formMail;
	
	/**
	 * 发送简单的邮件信息
	 * @param toMail
	 * @param subject
	 * @param content
	 */
	public void sendSimpleMail(String toMail,String subject,String content) {
		SimpleMailMessage simpleMailMessage = new SimpleMailMessage();
		simpleMailMessage.setFrom(formMail);
		simpleMailMessage.setTo(toMail);
		simpleMailMessage.setSubject(subject);
		simpleMailMessage.setText(content);
		try {
			sender.send(simpleMailMessage);
			logger.info("发送给"+toMail+"简单邮件已经发送。 subject："+subject);
		} catch (Exception e) {
            logger.info("发送给"+toMail+"send mail error subject："+subject);
            e.printStackTrace();
		}
	}
	/**
	 * 发送html格式的邮件 
	 * @param toMail
	 * @param subject
	 * @param content
	 */
	public void sendHtmlMail(String toMail,String subject,String content) {
		MimeMessage createMimeMessage = sender.createMimeMessage();
		
		try {
			//true表示需要创建一个multipart message 如何不设置就不会解析html
			MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(createMimeMessage,true);
			mimeMessageHelper.setFrom(formMail);
			mimeMessageHelper.setTo(toMail);
			mimeMessageHelper.setSubject(subject);
			mimeMessageHelper.setText(content, true);
			sender.send(createMimeMessage);
			logger.info("发送给"+toMail+"html邮件已经发送。 subject："+subject);
		} catch (MessagingException e) {
			logger.info("发送给"+toMail+"html send mail error subject："+subject);
			e.printStackTrace();
			
		}
	}
	/**
	 * 发送静态资源（一般是图片）的邮件
	 * @param toMail
	 * @param subject
	 * @param content
	 * @param resourceist
	 */
	public void sendInlineResourceMail(String toMail,String subject,String content,List<InlineResource> resourceist) {
		MimeMessage message = sender.createMimeMessage();
		try {
			MimeMessageHelper helper = new MimeMessageHelper(message, true);
			helper.setFrom(formMail);
			helper.setCc(formMail);// 邮件抄送给自己防止发送不成功！com.sun.mail.smtp.SMTPSendFailedException: 554 DT:SPM 126 smtp9
			helper.setTo(toMail);
			helper.setSubject(subject);
			helper.setText(content, true);
			for (InlineResource inlineResource : resourceist) {
				FileSystemResource res = new FileSystemResource(new File(inlineResource.getPath()));
				helper.addInline(inlineResource.getCid(),res);
			}
			sender.send(message);
			logger.info("嵌入静态资源的邮件已经发送。");
		} catch (MessagingException e) {
			logger.error("发送嵌入静态资源的邮件时发生异常！", e);
			e.printStackTrace();
		}catch (Exception e) {
			logger.error("发送嵌入静态资源的邮件时发生异常！", e);
			e.printStackTrace();
		}
	}
	
	public void sendInlineResourceMailForGroupSending(String[] toMail,String subject,String content,List<InlineResource> resourceist) {
		MimeMessage message = sender.createMimeMessage();
		try {
			MimeMessageHelper helper = new MimeMessageHelper(message, true);
			helper.setFrom(formMail);
			helper.setCc(formMail);// 邮件抄送给自己防止发送不成功！com.sun.mail.smtp.SMTPSendFailedException: 554 DT:SPM 126 smtp9
			helper.setTo(toMail);
			helper.setSubject(subject);
			helper.setText(content, true);
			for (InlineResource inlineResource : resourceist) {
				FileSystemResource res = new FileSystemResource(new File(inlineResource.getPath()));
				helper.addInline(inlineResource.getCid(),res);
			}
			sender.send(message);
			logger.info("嵌入静态资源的邮件已经发送。");
		} catch (MessagingException e) {
			logger.error("发送嵌入静态资源的邮件时发生异常！", e);
			e.printStackTrace();
		}catch (Exception e) {
			logger.error("发送嵌入静态资源的邮件时发生异常！", e);
			e.printStackTrace();
		}
	}
	
	
	public void sendAttachmentsMail(String toMail,String subject,String content,String filePath) {
   	 	MimeMessage message = sender.createMimeMessage();
        try {
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(formMail);
            helper.setTo(toMail);
            helper.setSubject(subject);
            helper.setText(content, true);
            FileSystemResource file = new FileSystemResource(new File(filePath));
            String fileName = filePath.substring(filePath.lastIndexOf("/"));
            helper.addAttachment(fileName, file);
            sender.send(message);
            logger.info("发送给"+toMail+"带附件的邮件已经发送。");
        } catch (MessagingException e) {
            e.printStackTrace();
            logger.error("发送给"+toMail+"带附件的邮件时发生异常！", e);
        }
    }

}
